QUESTION NO: 1
Refer to the exhibit.
The customer has an MPLS Layer 3 VPN service CE-A is not able to ping the CE-B loopback
address 10.60.6.6 CE-A is able to ping the CE-B network interface address 172.16.60.66. What
must be added to the configuration to allow the loopback ping to work?
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A. The PE-B configuration needs a neighbor 10.60.6.6 command added
B. The PE-B configuration needs interface loopback0 added under vrf red area 0
C. The CE-B configuration needs to static route added for the PE-B connected interface
D. The CE-B configuration needs network 10.60.6.6 under router ospf 1
Answer: D
Explanation:
QUESTION NO: 2
Refer to the exhibit.
What type of MPLS LAYER 3 VPN configurations is represented?
A. Simple two-VPN scenario
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The commands in the figure were executed from a cisco ASR 9000 series router. The remote end
of the ping is a cisco XR12000 series router. Which statement is true?
A. The XR 12000 has an access list that blacks the MPLS pseudowire ping
B. The interface connected to the XR 12000 is not running LDP
C. These results will occur during convergence when MPLS LDP sync is enabled
D. The MPLS pseudowire ping was not sent
Answer: D
Explanation: Explanation
Explanation/Reference:
http://www.cisco.com/en/US/docs/ios/12_4t/12_4t11/ht_lspng.html
QUESTION NO: 5
Refer to the exhibit.
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The output from the debug command is from the Cisco XR12000 series Router, which statement
is true?
A. The output is the result of single iteration of mpls ping executed on the cisco ASR 9000 Series
Router’
B. The output is the result of single iteration of mpls ping executed on the cisco ASR 9000 series
Router
C. The packets did not reach its destination because the control word was not found
D. The output is the result of single iteration of mpls ping executed on the cisco CRS-1 carrier
routing system.
Answer: C
Explanation: Explanation/Reference:
QUESTION NO: 6
Refer to the exhibit.
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The commands were exceeded on a cisco XR12000 PE. Which statement is true?
A. The outer label for prefix 10.22.22.22 is 143989.
B. The outer label for prefix 10.22.22.22 is 16000.
C. The outer label for prefix 10.22.22.22 is implNull.
D. Prefix 10.22.22.22 has no outer label.
Answer: A
Explanation: The outer label for prefix 10.22.22.22 is 143989.
QUESTION NO: 7
You have configured a MPLS-TE tunnel with a predefined explicit path as primary and dynamic
path as the backup. The tunnel was designed to carry customer traffic from site A to site B.
although the MPLS-TE tunnel is set up. It is not carrying the traffic. Traffic has to go to net work
171.68.0.0/16 connected to site B.
Which three show commands would you use to identify and resolve the issue?
A. Show mpls traffic-eng-link-management bandwidth to check the bandwidth is available.
B. Show ip cef network-number to check if tags are imposed
C. show mpls traffic-eng topology igp-id ospf NETWORK-NUMBER brief to check routing issue
D. Show mpls traffic-eng autoroute to check auto routing is enabled
E. Show mpls forwarding-table LABEL-number details to outgoing tags
F. Show ip cef tunnel1 to check traffic is passing through the tunnel
Answer: B,D,F
Explanation: Explanation/Reference:
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Is nonstop forwarding enabled or disabled, and which part of show command can be used to
determine this?
A. Enabled, graceful-restart
B. Enabled, session protection
C. Disabled, graceful-restart
D. Disabled, session protection
Answer: A
Explanation:
QUESTION NO: 9
What two problems are associated with this show MPLS forwarding command output;
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